would you bet everything that you're worth that we'll actually do that, go to the moon and back safely before 1970? ok, would you have gotten a small minority of yeses. therefore by definition half of the people thought it was impossible. and therefore you had a right to call it research. and if nasa did most of its expenditure on things that half the people do not think is possible, we would have enormous breakthroughs and we would be going to the moons of saturn instead of not going to the moon that we went to 50 years ago. [applause] >> it's difficult for me to stand up. when orbital's flights become commercially viable for us, people, everyday citizens, who will be flying them? military pilots or commercial pilots? and if they're commercial pilots, who would be training them and where would they be trained? >> ok, for orbital flying, that's a good question. i had a chart, i didn't use it today, but it showed the time that -- a calendar time in history that the fastest that man had flown, you know, of course it was the military pilots or the astronauts, right? and then another line